21006156942

素因数分解:

$2^1\times 3^2\times {\mathrm{1167008719}}^1$

素因数の和:1167008727

約数の個数: 12

約数和(自身を含む): 45513340080

約数和(自身を除く): 24507183138

約数列:

[1, 2, 3, 6, 9, 18, 1167008719, 2334017438, 3501026157, 7002052314, 10503078471, 21006156942]

約数ペア:

[(1, 21006156942), (2, 10503078471), (3, 7002052314), (6, 3501026157), (9, 2334017438), (18, 1167008719)]